搜索筛选:
搜索耗时1.5441秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
发布年度:
Evaluation of the Impact of Government Policy on the Overuse of Groundwater in the Minqin Basin in C
[期刊论文] 作者：Lihua Yang,
来源：水能与环境工程(英文) 年份：2013
The existing literature simply concludes that the irrational behaviors of local people and natural factors are the major reasons for overuse of groundwater. Usi...
[期刊论文] 作者：by Yang Lihua,
来源：China Pictorial 年份：2016
South Africa， home to 55.9 million people， is widely considered the most industrialized country in Africa. The country is rich in natural resources and ranks among the world’s leaders in mining. It al...
[期刊论文] 作者：YANG LiHua WANG YongGang YANG,
来源：中国科学：物理学、力学、天文学英文版 年份：2011
表面电浆子电磁声子(SPP ) 是沿着在导体和电介质之间的接口宣传的联合电子摆动和电磁波。最近 Huck 等。[Huck A，等。Phys 加快 Lett， 2009， 102：246802 ] 证明 SPP 能处于一个...
[期刊论文] 作者：HUANG Chao,YANG LiHua,
来源：中国科学：数学英文版 年份：2011
作为单音部件的信号的一个典型家庭，非线性的 Fourier 基础 { eikqa (t )} k？\mathbbZ\left\{{ e ^{ ik\theta _a \left ( t \right )}}\right\}_{ k \in \math...
[期刊论文] 作者：Yang Lihua,Yang Bo,Ou Ying,
来源：课程教育研究 年份：2004
Formative feedback is usually regarded as crucial for encouraging and consolidating students’ learning. Appropriate and timely formative feedback can help moti...
[期刊论文] 作者：Zhou Chaoying Yang Lihua Huang,
来源：高校应用数学学报：英文版 年份：2007
空间 D_G 被构造，空间 D_G 的一些描述被给。古典 Fourier 被扩大到广义函数空间 D ′ _ G，这被显示出，它能连续地被嵌进 Schwartz 广义函数空间 D ′。它也被看那 D ′ _ Gis...
[期刊论文] 作者：Wenjuan Shan Jiali Yang Lihua,
来源：天然气化学杂志：英文版 年份：2011
有 ABO3 类型象 perovskite 一样结构的 Nanosized La2-xKxNiMnO6 催化剂被汽车燃烧方法作为 ligand 用柠檬性的酸准备控制粒子尺寸和形态学。这些象 perovskite 一样氧化物...
[期刊论文] 作者：Yang, Qiaoqin, Zhao, Lihua, Xi,
来源：中国有色金属学会会刊：英文版 年份：1997
ＥＦＦＥＣＴＯＦＢＯＲＯＮＯＮＭＩＣＲＯＳＴＲＵＣＴＵＲＥＡＮＤＰＲＯＰＥＲＴＩＥＳＯＦＴｉＮＦＩＬＭ①ＹａｎｇＱｉａｏｑｉｎ，ＺｈａｏＬｉｈｕａ，ＸｉａｏＨａｎｎｉｎｇＭａｔｅｒｉａｌＴｅｓｔａｎｄＲｅｓｅａｒｃｈＣｅｎｔｅｒ，ＨｕｎａｎＵｎｉｖ.........
[期刊论文] 作者：Wenjuan Shan,Jiali Yang,Lihua,
来源：天然气化学（英文版） 年份：2004
Nanosized La2-xKxNiMnO6 catalysts with ABO3 type perovskite-like structure were prepared by auto-combustion method using citric acid as a ligand to control part...
[期刊论文] 作者：Lukuan Liu,Kaiguang Yang,Lihua,
来源：科学通报：英文版 年份：2016
Antibiotics have been preventing the spread of the harmful bacteria and saving many people’s lives for nearly a century.But in recent decades,because of th...
[期刊论文] 作者：LiHua,
来源：中国对外贸易：英文版 年份：2003
The art of investing is evolving into the science of investing. As new generations of increasingly scientific investment mangers come to the task, they wi11 rel...
[期刊论文] 作者：Yang Zhang diandong Li Lihua P,
来源：系统工程与电子技术：英文版 年份：2010
A hybrid pilots assisted channel estimation algorithm for multiple input multiple output(MIMO) orthogonal frequency division multiplexing(OFDM) systems under lo...
Stability Analysis on Rotor Systems Supported by Self-acting Tilting-pad Gas Bearings with Frequency
[期刊论文] 作者：YANG Lihua,QI Shemiao,GENG Hai,
来源：中国机械工程学报 年份：2011
The recent research on stability of gas bearing-rotor systems still mostly adopts the same method as in oil-lubricated bearing-rotor systems.The dynamic coeffic...
Stability Analysis on Rotor Systems Supported by Self-acting Tilting-pad Gas Bearings with Frequency
[期刊论文] 作者：YANG Lihua,QI Shemiao,GENG Hai,
来源：中国机械工程学报 年份：2004
The recent research on stability of gas bearing-rotor systems still mostly adopts the same method as in oil-lubricated bearing-rotor systems. The dynamic coeffi...
[期刊论文] 作者：Yang WENG,Lihua XIE,Wendong XIAO,,
来源：Journal of Systems Science & Complexity 年份：2012
This paper studies the sensor selection problem for random field estimation in wireless sensor networks.The authors first prove that selecting a set of l sensor...
[期刊论文] 作者：YANG Qing,HUANG Lihua,XU Yunji,
来源：清华大学学报（英文版） 年份：2008
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：Wang Ping,Yang Lihua,Wang Heng,
来源：高技术通讯（英文版） 年份：2004
...
[期刊论文] 作者：Junhui Zhao,Jin Liu,Lihua Yang,
来源：中国通信:英文版 年份：2021
As a development direction of urban rail transit system,the train autonomous circumambulate system(TACS)can operate in a safer,more efficient,and more economica...
Expression of bone morphogenetic protein 7 in the cerebral cortex of rats after ischemia-hypoxic inj
[期刊论文] 作者：Liju Luan Xiaomei Yang Lihua Q,
来源：中国神经再生研究：英文版 年份：2007
...
[期刊论文] 作者：PANG Lihua,ZHANG Yang,GONG Fen,
来源：中国通信：英文版 年份：2015
Comprehensive radiation characteristics of polarized antenna are crucial in creating practical channel coefficients for next generation wireless communication s...
相关搜索：
